A sound pickup device is provided including a clamp part for fastening a hoop of a drum, one case fixed to an outer edge of the drum by fastening the hoop with the clamp part, a first output means detecting vibration of a striking surface of the drum, generating a musical sound signal based on the detected vibration, a second output means detecting a performance sound generated by the vibration of the striking surface, generating a sound pickup signal based on the detected performance sound, a third output means mixing the musical sound signal and the sound pickup signal outputted from the first and second output means, a selection means selecting at least one of the first to third output means for output; and a housing part housing a battery. The first output means, the second output means, the third output means, and the housing part are disposed in the one case.